deon and from salon erin carmone. >>> vice president joe biden will deliver the keynote address at a gun violence summit, ten miles away from the site of the shooting in newtown. as congress prepares for a major battle over the sequester, biden's speech is proof that the white house isn't letting up on new gun safety laws. neither is the president's campaign organization turned advocacy group. organizing for action is holding gun safety events around the country tomorrow to ebb gauge its 2.2 million supporters and launching a $100,000 ad campaign targeting gop senators. they are up against the ultimate lobbying bohemath. today the n.r.a. is beginning phase two of a $350,000 ad campaign. it includes print ads like this one that will run in five states targeting north carolina senator kay hagen. the ad reads